Overview

overview

10

Static

static

10

6997e34f2a...18.exe

windows7-x64

10

6997e34f2a...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 03:30

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General

  • Target

    6997e34f2a0e4cbdf50cb7693c5bb2e1_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    6997e34f2a0e4cbdf50cb7693c5bb2e1

  • SHA1

    df0a87742db375d988ead6327e5dcadbcbf92948

  • SHA256

    b93ebcae988f7baca83209c66c693c1467c15f1a97deaadd311404c7818574eb

  • SHA512

    ab02e6aa02ee8826674efd2330370a2b47384d38bc7ab32cc18d2eae4bc3c553eb9466e0267e0db294fbfdc558aecd9eb176cf3a83a4f84591b439c0f45699a9

  • SSDEEP

    384:Tr2OaIiejJCVLO309QmykrtUPE9uI3favRsIDErAF+rMRTyN/0L+EcoinblneHQp:v2DdGdkrqPKfaJsIQrM+rMRa8Nu/z/t

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6997e34f2a0e4cbdf50cb7693c5bb2e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6997e34f2a0e4cbdf50cb7693c5bb2e1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:216
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM taskmgr.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\explorer.exe
          Filesize

          37KB

          MD5

          6997e34f2a0e4cbdf50cb7693c5bb2e1

          SHA1

          df0a87742db375d988ead6327e5dcadbcbf92948

          SHA256

          b93ebcae988f7baca83209c66c693c1467c15f1a97deaadd311404c7818574eb

          SHA512

          ab02e6aa02ee8826674efd2330370a2b47384d38bc7ab32cc18d2eae4bc3c553eb9466e0267e0db294fbfdc558aecd9eb176cf3a83a4f84591b439c0f45699a9

          Download Submit

        • memory/1348-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1348-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/1348-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/1348-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/3896-13-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/3896-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/3896-15-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/3896-25-0x0000000074D30000-0x00000000752E1000-memory.dmp

          Filesize

          5.7MB

          Download